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Driving Forces for the Triboelectric...

Case Western Reserve University.

Driving Forces for the Triboelectric Charging of Well-defined Insulating Material Surfaces.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Driving Forces for the Triboelectric Charging of Well-defined Insulating Material Surfaces.
Author:	Wang, Andrew Eric.
Published:	Ann Arbor : ProQuest Dissertations & Theses, 2020
Description:	86 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-03, Section: B.
Contained By:	Dissertations Abstracts International82-03B.
Subject:	Chemical engineering.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28107984
ISBN:	9798662545458

Driving Forces for the Triboelectric Charging of Well-defined Insulating Material Surfaces.
Wang, Andrew Eric.

Driving Forces for the Triboelectric Charging of Well-defined Insulating Material Surfaces. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 86 p.

Source: Dissertations Abstracts International, Volume: 82-03, Section: B.

Thesis (Ph.D.)--Case Western Reserve University, 2020.

This item must not be sold to any third party vendors.

Triboelectric charging and contact electrification are everyday phenomena that both practical uses and potential hazards. Familiarity with the effects can include shocks when touching other surfaces during a dry day, or as the principal mechanism for laser printers. But the less commonly known effects are the influences on dust and sand saltation, industrial hazards through clogging of feed materials and even dust or grain silo explosions, and lightning occurrences during storms and in volcanic plumes. The process can simply be described as: two surfaces come into contact, transfer charge, and upon separation, have a different electrical charge. However, given two different materials, predicting which material surface charges positive, and which charges negative is not always reliable. And, the common understanding of the phenomena cannot explain why the contact of two surfaces of chemically identical composition can even produce a net charge on each other. A fundamental understanding of the mechanisms behind triboelectric charging is still debated.In this dissertation, we report mechanisms that drive triboelectric charging on well-defined insulating surfaces through the use of experiments, simulations, and modeling. Specifically, the effects of chemical composition, strain, and surface roughness were explored by carrying out triboelectric charging experiments with single-crystal surfaces, uniaxially stretched polytetrafluoroethylene (PTFE), and dielectric surfaces of silicon and silica.

ISBN: 9798662545458Subjects--Topical Terms:

206267
Chemical engineering.
Subjects--Index Terms:

Triboelectric charging

Driving Forces for the Triboelectric Charging of Well-defined Insulating Material Surfaces.
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300 $a 86 p.
500 $a Source: Dissertations Abstracts International, Volume: 82-03, Section: B.
502 $a Thesis (Ph.D.)--Case Western Reserve University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Triboelectric charging and contact electrification are everyday phenomena that both practical uses and potential hazards. Familiarity with the effects can include shocks when touching other surfaces during a dry day, or as the principal mechanism for laser printers. But the less commonly known effects are the influences on dust and sand saltation, industrial hazards through clogging of feed materials and even dust or grain silo explosions, and lightning occurrences during storms and in volcanic plumes. The process can simply be described as: two surfaces come into contact, transfer charge, and upon separation, have a different electrical charge. However, given two different materials, predicting which material surface charges positive, and which charges negative is not always reliable. And, the common understanding of the phenomena cannot explain why the contact of two surfaces of chemically identical composition can even produce a net charge on each other. A fundamental understanding of the mechanisms behind triboelectric charging is still debated.In this dissertation, we report mechanisms that drive triboelectric charging on well-defined insulating surfaces through the use of experiments, simulations, and modeling. Specifically, the effects of chemical composition, strain, and surface roughness were explored by carrying out triboelectric charging experiments with single-crystal surfaces, uniaxially stretched polytetrafluoroethylene (PTFE), and dielectric surfaces of silicon and silica.
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653 $a Triboelectric charging
653 $a Tribo-electric charging
653 $a Contact electrification
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710 2 $a Case Western Reserve University. $b Chemical Engineering. $3 603273
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